Secondary Math 2 Module 9 Probability 9.4 Answers -

| | Sleep < 7 hrs | Sleep ≥ 7 hrs | Total | |----------------|---------------|---------------|-------| | Phone before bed | 48 | 32 | 80 | | No phone before bed | 12 | 28 | 40 | | Total | 60 | 60 | 120 |

Where:

: Focuses on creating Venn diagrams from two-way tables. You are typically asked to shade regions that represent specific probabilities like Secondary Math 2 Module 9 Probability 9.4 Answers

Detective Emily was on a mission to solve the mystery of the missing pens from the school's math department. The department had 20 pens in total, and it was known that 8 of them were blue, 6 were red, and 6 were black. | | Sleep &lt; 7 hrs | Sleep

P(heads) = Number of heads / Total number of flips = 28/50 = 0.56 or 56% P(heads) = Number of heads / Total number